- 15 févr. 2020
- 4 Min
Des sols gelés qui dégèlent à toute vitesse
Récemment deux articles publiés dans Science (sur les Océans) et Nature [1] ont porté sur le dégel des sols.
Les scientifiques sont préoccupés par la fonte du pergélisol, vous savez cette partie du sol, gelée toute l’année pendant au moins deux ans. Vous avez peut-être entendu parler du terme « Permafrost » qui désigne la même chose ! (mais c’est le terme « anglais »). Le pergélisol contient de la terre, des morceaux de roches, des sédiments, un peu de glace et de la matièr
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